bow out
Bow out (verb) means to withdraw from a contest, role or commitment, especially gracefully and by your own choice. Example: “She bowed out of the race two weeks before the vote.”
How to use bow out
Learner’s notesIn plain EnglishTo leave something you were part of, usually politely and on your own terms.
Neutral and common in journalism, especially sport and politics. It carries a note of dignity that 'quit' or 'drop out' does not.
'Bow out of' takes the thing you are leaving: bow out of the contest, the tournament, the role.